Question: Grasshoppers are distributed at random in a large field according to a Poisson process with parameter a = 2 per square yard. How large should

Grasshoppers are distributed at random in a large field according to a Poisson process with parameter a = 2 per square yard. How large should the radius R of a circular sampling region be taken so that the probability of finding at least one in the region equals .99?

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